345854779 has 4 divisors (see below), whose sum is σ = 348145360. Its totient is φ = 343564200.

The previous prime is 345854771. The next prime is 345854809. The reversal of 345854779 is 977458543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977458543 = 29 ⋅33705467.

It is a cyclic number.

It is not a de Polignac number, because 345854779 - 2³ = 345854771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345854771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145064 + ... + 1145365.

It is an arithmetic number, because the mean of its divisors is an integer number (87036340).

Almost surely, 2^345854779 is an apocalyptic number.

345854779 is a deficient number, since it is larger than the sum of its proper divisors (2290581).

345854779 is a wasteful number, since it uses less digits than its factorization.

345854779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290580.

The product of its digits is 4233600, while the sum is 52.

The square root of 345854779 is about 18597.1712633938. The cubic root of 345854779 is about 701.9366634957.

The spelling of 345854779 in words is "three hundred forty-five million, eight hundred fifty-four thousand, seven hundred seventy-nine".